On Tue, May 29, 2007 at 11:40:42AM -0400, Jeff Layton wrote:
> After spending quite a bit of time tracking down a "VFS: busy inodes
> after unmount" problem, it occurs to me that it would be nice to be
> able to force a panic when that occurs. While an oops message alone is
> not generally helpful for tracking down this sort of problem,
> collecting and analyzing a coredump when this occurs can be.
Agreed - we've found that we've had roughly 50% success in finding
the cause of these problems from crash dumps triggered immediately
like this vs ~0% from a crash that occurred some time later.
Given that this problem will always result in a crash of the kernel
at some random time in the future, why don't we just make this error
an unconditional panic on get the crash over and done with?
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
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